Which to use
“flaps” and “flies” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,378
- “flaps” frequency rank
- #6,142
- “flies” frequency rank
- 28520
- confusion score
Side-by-Side Comparison
| Feature | flaps | flies |
|---|---|---|
| Definition | A disease in the mouths of horses involving inflammation in the cheeks or lips. | plural of fly |
Where the eye mixes flaps and flies
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: flaps vs flies
A purely visual mix-up. flaps (/flæps/) and flies (/flaɪz/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 28520, derived from the frequency rank of both members and their visual similarity.
flaps is recorded at frequency rank #22,378, classified as anoun, pronounced /flæps/. flies is at rank #6,142, tagged as anoun, pronounced /flaɪz/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 28520, this pair ranks #370,412 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of flaps vs flies
Shared letters: fls. Private to "flaps": ap. Private to "flies": ei.
"flaps" · 5 letters · shape CCVCC · "flies" · 5 letters · shape CCVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "flaps" for "flies" ever safe?
Which is more common, "flaps" or "flies"?
Useful next steps
Eye-level mix-up between "flaps" and "flies" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "flaps" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "flies" - compare definitions side by side with the headword page. Word entry
- This pair ranks #370,412 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "flaps" and "flies" also get mixed up with nearby pairs, the highest-scored neighbour is "flail vs flaps". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #370,412 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.